
3-86
Performance Tests
STM-1 Transmitter Output Waveshape (Options US1, [US5], A1T, [A1U],
A3R [A3S], 120)
2. Press
and set up the
display as shown opposite.
3. Make the following key sequence on
the HP 37717C to obtain the special
display.
Press
;
;
;
;
;
;
;
.
Press
until
appears in the softkey menu.
Press
and set up the
display as shown opposite.
C AU T I O N
When using the
display, ONLY modify the STM-1 TEST
PATTERN. Altering other parameters can damage instrument firmware - exit this
display after setup to eliminate any possibility of accidental modification.
4. Adjust the Oscilloscope controls to display the waveform as shown in Figure 3-
35, STM-1 All Ones Pattern.
5. Use the Oscilloscope PRINT function to obtain a printout of the STM-1
waveform on the external printer.
6. Ensure this printout fits the STM-1 Mask of Figure 3-36.
N OT E
If a mylar mask is not available, the figure shown may be traced or photocopied onto
a transparency.
TRANSMIT
MODULE DEBUG
OTHER
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OTHER
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MODULE DEBUG
MODULE DEBUG
MODULE DEBUG
Summary of Contents for 37717C
Page 2: ...HP 37717C Communications Performance Analyzer Calibration Manual ...
Page 5: ...2 ...
Page 21: ...xviii Contents ...
Page 109: ...2 20 Installation Additional Precautions for Service Engineers ...
Page 312: ...3 203 Performance Tests Trigger Output Option UKZ Figure 3 57 Monitor Input Test Setup ...
Page 375: ...3 266 Performance Tests Performance Test Record ...
Page 379: ...4 4 Installation Current Previous Terminology ...
Page 392: ...B 9 Appendix B Fitting Calibrating Testing New Modules Typical Jitter Transmit Spectrum ...
Page 393: ...B 10 Appendix B Fitting Calibrating Testing New Modules ...